92results about How to "Shorten the protruding length" patented technology

The invention discloses a connecting structure for an assembly type concrete shear wall edge member. vertical connecting reinforcing steel bar, which can be provided with an upset head, is reserved through a hole reserved in a large-diameter metal bellows, and is sleeved with a continuous spiral stirrup; then the vertical connecting reinforcing steel bar and the continuous spiral stirrup are commonly inserted into the large-diameter metal bellows; and fine aggregate concrete (or a grounding material) is poured into the metal bellows, so that the reliable connection of the edge member is realized. Due to reliable anchoring of the vertical connecting reinforcing steel bar, the optimization of the diameter, the quantity and the plane arrangement of the vertical connecting reinforcing steel bar, and the increase of the wet joint area on a splicing surface, full exertion of the bearing capacity of the shear wall is ensured; and multiple effective restrain for the subsequentlly-poured fine aggregate concrete (or the grouting material) is formed by the shear wall stirrup, a horizontal tie bar, the metal bellows and the continuous circular spiral stirrup, and thus the integral performance of the part is remarkably improved. According to the connecting method for the edge member, which is provided by the invention, the stress continuousness of the vertical steel reinforcing bar is ensured, the deformaility and the ductility performance of the vertical steel reinforcing bar are remarkably improved, and the shock resistance of the assembly type concrete shear wall is improved. Meanwhile, the method is simple in manufacturing process and facilitates the practice and application.

A flexible printed circuit board (FPC) with an extensible element for liquid crystal display (LCD) module is provided, wherein the extensible element can extend when it is forced. It can be used for different LCD modules to achieve the purpose of simplifying manufacturing process.

A locking device is described. The locking device is utilized to lock and unlock a removable device and especially to be suitable for locking and unlocking the removable device of a notebook computer. The locking device has a latch, an elastic member and a sliding switch. The latch engages a fixing indention of the removable device to fix the removable device. The elastic member provides a force to push the latch forward and a recess for retracting the latch backward. The sliding switch utilizes a stud to glidingly couple to a sliding surface of the latch so that the movements of the sliding switch and the latch form a predetermined included angle, preferably of about 90 degrees.

The invention relates to the field of soybean milk machines, in particular to a quick soybean milk machine disposed on a motor. The quick soybean milk machine comprises a machine head, a cup and an inner cup. The machine head and the cup comprises a crushing device, a heating device and a control device. The cup comprises a cup barrel, the control device applies operation processes of using the inner cup to cook to make soybean milk and whipping juice and dry powder. The quick soybean milk machine is characterized in that the cup barrel is sleeved in the inner cup, water is added in a gap between the cup barrel and the inner cup to serve as thermal conductive medium, the machine head is stacked in a cup-shaped container base plate of the inner cup or a splash-proof positioning ring of the inner cup, and crushing and soybean boiling are performed in the inner cup. The quick soybean milk machine is modification and deepening of a quick soybean milk machine with an application number of 201219375503.8, and the technology of soybean milk machines can be more improved.

The invention provides a telescopic importing system and a crane with the same. The telescopic importing system provided by the invention comprises an importing mechanism, a traction mechanism and a supporting mechanism, wherein the importing mechanism comprising an importing transverse beam and an importing section movably arranged on the importing transverse beam; the importing transverse beam is detachably connected with a lower support seat; and the supporting mechanism comprises a supporting section which is arranged at the lower end of one horizontal end face of the importing transversebeam. The crane provided by the invention comprises the telescopic importing system. According to the telescopic importing system provided by the invention, a distance between the end part of the importing mechanism after importing is finished and a gyration centre is greatly reduced, a maximal elevation angle of a crane arm in a hoisting process is increased, a minimal gyration radius in the working process of a movable arm tower crane is reduced, a movable arm variable amplitude range is increased, a purpose of use convenience for hoisting operation is achieved, and the performances of the crane is improved. Furthermore, the telescopic importing system and the crane provided by the invention have good safety and stability, and easiness in operation.

A distribution board where the changing work from an 1P type branch breaker to a 2P type branch breaker becomes easier. A conductive bar (100) connected via a transmission line (97) on power side to the output terminal on power side of a master breaker (6) is connected to the input terminal of a branch breaker (7). The conductive bar (100) has a strip-shaped bar body (101), and branch connecting pieces (102) are a plurality of branch connection parts extended from one side edge in widthwise direction of the bar body (101). An insulating cover (110) covers the exposed section of the branch connecting piece (102) in condition that the conductive bar (100) is connected to each branch breaker (7), and is attached to the bar body (101) of the conductive bar (100). At a section where the branch connecting piece (102) and the bar body (101) are connected with each other, a cutting groove (103) of a cutting auxiliary part is made, and at the insulating cover (110), a cut groove (113) extends to roughly the same position as the cutting groove (103) along the branch connecting piece (102).

The invention relates to a coaxiality machining device for a high precision rotary frame. The coaxiality machining device comprises a workbench, a positioning mandrel installed on the workbench through a fixing bolt and a corresponding T-shaped groove nut and a boring tool arranged on a machine tool main shaft and corresponding to the positioning mandrel; a positioning circular truncated cone is arranged on the positioning mandrel, the side face of the positioning circular truncated cone is the positioning face, and the positioning circular truncated cone is sleeved with a positioning hole in one end of the rotary frame; a compression bolt used for compressing the positioning mandrel and the rotary frame is arranged on the positioning mandrel, and the boring tool is located at the other end of the rotary frame. According to the coaxiality machining device and machining method for the high precision rotary frame, not only is the machining efficiency of the rotary frame coaxiality improved, but also the machining precision and the production quality are guaranteed.

The invention discloses an auxiliary supporting type wave simulation generating device under a high gravity field. The device comprises a model box and a wave generation unit; a rock-soil body is arranged at the bottom in the model box, a simulation maritime work structure is arranged on the rock-soil body, the water is placed at the upper part of the rock-soil body in the model box; a sliding module and a connecting rod are in rotational connection, the connecting rod and a rocker structure are in rotational connection, thereby accomplishing the power transmission and movement realization tothe rocker structure from a hydraulic cylinder, and the angle different problem between the rocker and a hydraulic cylinder piston rod in the rocker swinging process is solved. The height difference problem between the connecting location of the rocker and connecting plate and the piston rod of the hydraulic cylinder in the rocker swinging process is solved through the sliding module; the integration of the sliding and the rotation is realized through a relay sliding block structure, the self-adaptive matching of the combined transmission unit sliding device and rotation device and the rockerstructure swinging movement is realized, and the movement decoupling between the piston rod of the hydraulic cylinder and the rocker is realized.

A milling tool is configured from a shank part and a head with a cutting edge that is provided on the leading end of the shank part. The head comprises an expanding diameter section, the diameter of which expands gradually from the base end that contacts the shank part in the direction of the leading end, and a decreasing diameter section, the diameter of which gradually decreases from the maximum diameter section in the direction of the leading end. At least one cutting edge is provided on each of the expanding diameter section and the decreasing diameter section.

The invention discloses a highly seismic region prefabricated assembled bridge central pier stud-cover beam node pouring connection mode and construction and belongs to the field of bridge engineering. The construction comprises a prefabricated pier stud and a prefabricated cover beam. The prefabricated pier stud and the prefabricated cover beam are connected into a bridge pier system through pouring of high-performance materials and splicing. The prefabricated pier stud is composed of a pier stud longitudinal bar, a pier stud stirrup, an overlap-joint large-diameter longitudinal bar, an overlap-joint stirrup and an inclined rebar jointly. The prefabricated cover beam comprises a grouting pipeline, a cover beam construction stirrup and a pouring inserting groove. The splicing quantity of the pier stud longitudinal bar is only a half or much less of the total quantity of longitudinal stressed rebars, and high-performance materials are adopted for pouring splicing. Small damage to a post-earthquake pier stud plastic hinge region is ensured while a large-diameter overlap joint longitudinal bar meets the bridge anti-seismic requirement in a highly seismic region. The bridge building speed can be increased greatly and construction convenience is improved greatly while the bridge anti-seismic requirement in the highly seismic region is met and construction quality is ensured, and a completely novel technical solution can be provided for prefabricated assembled bridge engineering application in the highly seismic region.

The invention discloses a hydraulic lifting device for a well drilling and repairing appliance. The hydraulic lifting device includes a double-rod-ejection hydraulic cylinder main machine, pulley blocks are arranged at the two ends of the double-rod-ejection hydraulic cylinder main machine correspondingly, and a rack body for fixing and supporting the double-rod-ejection hydraulic cylinder main machine and a hydraulic oil circuit for controlling the double-rod-ejection hydraulic cylinder main machine to act are arranged on one side of the double-rod-ejection hydraulic cylinder main machine. According to the hydraulic lifting device for the well drilling and repairing appliance, the stroke of a hydraulic cylinder is divided into two sections through the double-rod-ejection hydraulic cylinder main machine, the extension length of a single hydraulic cylinder rod is reduced by 1/2, under the same conditions, the bearing capability of the hydraulic cylinder is increased by one time or above, a prerequisite is provided for lightweight of a complete machine, the manufacturing, installation, use and maintenance costs are lowered, the stability and safety of the complete machine are high, the hydraulic lifting device can flexibly adapt to various derrick structures, and the universality of the hydraulic lifting device is improved.

The invention relates to a dual-arc steel section structure design method, in particular to a structure design method for a transmission tower material in the electric power transmission process. The dual-arc steel section structure of the scheme comprises a vertex angle and a limb plate, wherein the vertex angle is a flat reinforcing plate, and the connecting part of the limb plate and the reinforcing plate is in a relative S-shaped arc section. By adopting the cold-bending technology, a reasonable section shape in the optimized material distribution can be produced according to the need; and with the help of the advantages of the traditional hot-rolled angle steel and by combining the cold-bending technology, the dual-arc steel section structure of the scheme adopts a double S-shaped radian design, the ratio of the free extension length to the thickness of a flange plate can be optimized according to the need, the steel strength reduction due to stable strength is reduced, and the strength utilization ratio of member materials is improved. Compared with the traditional hot-rolled angle steel, the structure has better section characteristics through the arc design of the connecting points and the angle-strengthened protruding cold-bending processing, and the section bearing capacity is greatly improved.

An airbag device capable of preventing a fish-mouth phenomenon and reducing the weight of a retainer is provided. The inner case has a plurality of holding holes for holding the retainer. The retainer has a bottom surface portion for supporting an airbag and an inflator, a side wall portion that is disposed at the outer periphery of the bottom surface portion and that has a height set to H so that the side wall portion hardly receives a pressure of the airbag when the airbag is inflated and developed, and engagement members that are disposed on the side wall portion and that are engageable with the holding holes. The substantially entirety of the retainer is housed in the inner case when the engagement members are engaged with the holding holes.